<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>你猜的数比系统生成的大</title>
</head>
<style>
    p{
        color: blue;
    }
</style>
<body>
    <?php session_start();?>
    <p>你猜的数(<?php echo $_SESSION['prenum'] ?>)比系统生成的大，请再猜一次</p>
    <p>请在下面的文本框当中输入1-100之间的任意数</p>

<form action="control.php"  method="post">
    <input type="hidden" name="snum" value="<?php if (isset($_SESSION['snum'])) {echo $_SESSION['snum'];}?>">
    <input type="text" name="num">
    <input type="submit" value="试一下手气">
</form>
</body>
</html>